If i subscribe one email list on another, do the messages cycle forever? why not?
closed as not a real question by joeqwerty, GregD, sysadmin1138♦, RobM, Ward Oct 17 '10 at 17:35
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That depends entirely on the mailing list software. Mailman puts in a header to detect loops, but if the other mailing list is not Mailman, it may strip it off and prevent it from working.